package Thread2;

public class Demo6 {
    public static void main(String[] args) throws InterruptedException {
        Thread t1 = new Thread(()->{
            while(true){
                System.out.println("hello Thread1!");
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
            }
        });

        t1.start();

        Thread t2 = new Thread(()->{
            while(true){
                System.out.println("hello Thread2!");
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
            }
        });

        t2.start();

        Thread t3 = new Thread(()->{
            while(true){
                System.out.println("hello Thread3!");
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
            }
        });

        t3.start();

        for (int i = 0; i < 3; i++) {
            System.out.println("hello Main!");
            Thread.sleep(1000);
        }
    }
}
